Removing permanganate-reducing impurities from acetic acid

Details Removing permanganate-reducing impurities from acetic acid Removing permanganate-reducing impurities from acetic acid

2007-04-24

2007-04-24

Page, Thurman K. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

Reexamination Certificate

active

11499551

ABSTRACT:
A method for removing permanganate-reducing impurities from an acetic acid product is disclosed. The method comprises contacting an acetic acid product containing permanganate-reducing impurities with peracetic acid and an oxygen-containing gas. The method is particularly suitable for post treatment of acetic acid that contains permanganate-reducing impurities such as crotonaldehyde.

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